Waist bag



FIG. 1 is a top, front, right side perspective view of a waist bag showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is an enlarged left side elevation view thereof;

FIG. 5 is an enlarged right side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a waist bag, as shown and described. 